I think you're right. The point lies inside the parabola, so therefore there can be no tangent line to the parabola passing through this point.

Thanks for the reinforcement, redsoxfan325. I guess I will just submit the problem as I have it worked up here. There is the possibility that the problem was purposefully designed to have no answer, but I think that it is more likely that the function and the point were supposed to have opposite signs.